Alert archive / Texas / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 79, NWS Austin/San Antonio, TX

May 8, 1994Dimmit County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 8, 1994, 2:33 AM CDT for Dimmit County, Texas. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
May 8, 1994, 2:33 AM CDT (07:33 UTC)
Expired
May 8, 1994, 3:30 AM CDT
In force
57 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Dimmit County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 7.6 hours before the alert went out and 149 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Del Rio, TX at 00:00Z on 1994-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2563 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 1994-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -39 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2563 J/kg
Mixed-layer CIN
-120 J/kg
Mixed-layer LCL
1593 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
-39 m²/s²
0-3 km storm-relative helicity
-18 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-1.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSAT 080734
SVRSAT
TXC127-080830-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
233 AM CDT SUN MAY 8 1994
 
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH TEXAS
 
   ...DIMMIT COUNTY
 
A SEVERE THUNDERSTORMS WAS ENTERING NORTHWEST DIMMIT COUNTY MOVING TO
THE SOUTHEAST AT 15 MPH. DAMAGING WINDS AND HAIL ARE POSSIBLE WITH THIS
STORM. THIS STORM IS JUST NORTHWEST OF CARRIZO SPRINGS.
 
SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OVER 60 MPH.  THESE WINDS
BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE MOBILE HOMES...
SOMETIMESz BUILDINGS.  VERY LARGE HAIL CAN INJURE ANYONE CAUGHT
OUTSIDE.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 8, 12:47 AM CDT, 1 hour 46 minutes before
TXZ183-080630-

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
1250 AM CDT SUN MAY 8 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR VAL VERDE COUNTY UNTIL
 300AM SUNDAY MORNING...
...THE SEVERE THUNDERSTORM WARNING FOR VAL VERDE COUNTY HAS EXPIRED...

AT 1245 AM CDT...RADAR INDICATED SHOWERS AND THUNDERSTORMS EAST
AND SOUTH OF A LINE FROM COMSTOCK TO JUNO THEN TOWARDS
ROCKSPRINGS.  OTHER STORMS WERE LOCATED 8 MILES SOUTHWEST TO 8 MILES
SOUTHEAST OF DEL RIO. THE STRONGEST STORM WAS 8 MILES SOUTHEAST OF DEL
RIO. MOVEMENT OF THESE STORMS WERE TO THE SOUTHEAST AT 10 MPH.

AS THESE STORMS WENT THROUGH THE VICINITY...LAUGHLIN AFB REPORTED
WIND GUSTS OF 52 MPH...THE DEL RIO AIRPORT RECORDED 35 MPH.

IF YOU ARE DRIVING IN THE VICINITY OF THESE THUNDERSTORMS...BE
PREPARED FOR REDUCED VISIBILITIES AND SLOWER TRAFFIC DUE TO THE

HEAVY RAIN AND DO NOT DRIVE THROUGH LOW WATER CROSSINGS...THROUGHOUT VAL
VERDE COUNTY.  HIGHWAY 277 NORTH NEAR LOMA ALTA WAS CLOSED DUE TO
FLOODING.

BOATERS AND FISHERMAN ALONG LAKE AMITSAD SHOULD CONSIDER TO SEEK SAFE
SHELTER IF THREATNING WEATHER APPROACHES.

TUNED TO NOAA WEATHER...RADIO AND TV STATIONS FOR FURTHER STATEMENTS OR
POSbSIBLE WARNINGS.
Special weather statement, May 8, 12:50 AM CDT, 1 hour 43 minutes before
TXZ183-080630-

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
1250 AM CDT SUN MAY 8 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR VAL VERDE COUNTY UNTIL
 300AM SUNDAY MORNING...
...THE SEVERE THUNDERSTORM WARNING FOR VAL VERDE COUNTY HAS EXPIRED...

AT 1245 AM CDT...RADAR INDICATED SHOWERS AND THUNDERSTORMS EAST
AND SOUTH OF A LINE FROM COMSTOCK TO JUNO THEN TOWARDS
ROCKSPRINGS.  OTHER STORMS WERE LOCATED 8 MILES SOUTHWEST TO 8 MILES
SOUTHEAST OF DEL RIO. THE STRONGEST STORM WAS 8 MILES SOUTHEAST OF DEL
RIO. MOVEMENT OF THESE STORMS WERE TO THE SOUTHEAST AT 10 MPH.

AS THESE STORMS WENT THROUGH THE VICINITY...LAUGHLIN AFB REPORTED
WIND GUSTS OF 52 MPH...THE DEL RIO AIRPORT RECORDED 35 MPH.

IF YOU ARE DRIVING IN THE VICINITY OF THESE THUNDERSTORMS...BE
PREPARED FOR REDUCED VISIBILITIES AND SLOWER TRAFFIC DUE TO THE

HEAVY RAIN AND DO NOT DRIVE THROUGH LOW WATER CROSSINGS...THROUGHOUT VAL
VERDE COUNTY.  HIGHWAY 277 NORTH NEAR LOMA ALTA WAS CLOSED DUE TO
FLOODING.

BOATERS AND FISHERMAN ALONG LAKE AMITSAD SHOULD CONSIDER TO SEEK SAFE
SHELTER IF THREATNING WEATHER APPROACHES.

TUNED TO NOAA WEATHER...RADIO AND TV STATIONS FOR FURTHER STATEMENTS OR
POSSIBLE WARNINGS.
Special weather statement, May 8, 1:30 AM CDT, 1 hour 3 minutes before
TXZ188-190-192-191-208-080730-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
130 AM CDT SUN MAY 8 1994

...THE SEVERE THUNDERSTORM WATCH IS CANCELLED FOR TRAVIS COUNTY...

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR
GILLESPIE...BLANCO...HAYS AND CALDWELL COUNTIES UNTIL 3 AM CDT...

AT 126 AM SHOWERS AND ISOLATED THUNDERSTORMS WERE FROM DEL RIO TO JUST
NORTH OF SAN ANTONIO. NO SIGNIFICANT ACTIVITY WAS OCCURRING IN THE
COUNTIES LISTED ABOVE.

HOWEVER, CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORM DEVELOPMENT IN
AND NEAR THE WATCH AREA.  IF YOU LIVE IN ANY OF THE COUNTIES INCLUDED IN
THE WATCH...BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND
STAY TUNED FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS.

TSCHIRHART
Special weather statement, May 8, 1:31 AM CDT, 1 hour 2 minutes before
TXZ188-190-192-191-208-080730-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
130 AM CDT SUN MAY 8 1994

...THE SEVERE THUNDERSTORM WATCH IS CANCELLED FOR TRAVIS COUNTY...

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR
GILLESPIE...BLANCO...HAYS AND CALDWELL COUNTIES UNTIL 3 AM CDT...

AT 126 AM SHOWERS AND ISOLATED THUNDERSTORMS WERE FROM DEL RIO TO JUST
NORTH OF SAN ANTONIO. NO SIGNIFICANT ACTIVITY WAS OCCURRING IN THE
COUNTIES LISTED ABOVE.

HOWEVER, CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORM DEVELOPMENT IN
AND NEAR THE WATCH AREA.  IF YOU LIVE IN ANY OF THE COUNTIES INCLUDED IN
THE WATCH...BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND
STAY TUjNED FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS.

TSCHIRHART
Special weather statement, May 8, 1:48 AM CDT, 45 minutes before
TXZ183-080800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
150 AM CDT SUN MAY 8 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR VAL VERDE COUNTY UNTIL
 300AM SUNDAY MORNING...

AT 145 AM...RADAR INDICATED SHOWERS AND THUNDERSTORMS NEAR LOMA ALTA
AND WERE MOVING OUT OF THE COUNTY. ELSEWHERE...SHOWERS AND THUNDERSTORMS
WERE EXTENDING FROM EAGLE PASS TO ROCKSPRINGS. THE STRONGEST STORM WAS
NEAR EAGLE PASS. MOVMENT WAS TO THE SOUTHEAST AT 10 MPH.

AS THE STORMS WENT THROUGH THE VICINITY...LAUGHLIN AFB REPORTED WIND
GUSTS OF 52 MPH...THE DEL RIO AIRPORT RECORDED 35 MPH AND 0.10 INCHES OF
RAIN.

EVEN THOUGH THE RAIN HAD ENDED THROUGH MOST OF THE COUNTY...LOW
WATER CROSSINGS MAY STILL BE FLOODED...HIGHWAY 277 NORTH HAD BEEN
REOPENED TO TRAFFIC.

STAY TUNED TO NOAA WEATHER...RADIO AND TV STATIONS FOR FURTHER
STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, May 8, 1:50 AM CDT, 43 minutes before
TXZ183-080800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DEL RIO TX
150 AM CDT SUN MAY 8 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR VAL VERDE COUNTY UNTIL
 300AM SUNDAY MORNING...

AT 145 AM...RADAR INDICATED SHOWERS AND THUNDERSTORMS NEAR LOMA ALTA
AND WERE MOVING OUT OF THE COUNTY. ELSEWHERE...SHOWERS AND THUNDERSTORMS
WERE EXTENDING FROM EAGLE PASS TO ROCKSPRINGS. THE STRONGEST STORM WAS
NEAR EAGLE PASS. MOVMENT WAS TO THE SOUTHEAST AT 10 MPH.

AS THE STORMS WENT THROUGH THE VICINITY...LAUGHLIN AFB REPORTED WIND
GUSTS OF 52 MPH...THE DEL RIO AIRPORT RECORDED 35 MPH AND 0.10 INCHES OF
RAIN.

EVEN THOUGH THE RAIN HAD ENDED THROUGH MOST OF THE COUNTY...LOW
WATER CROSSINGS MAY STILL BE FLOODED...HIGHWAY 277 NORTH HAD BEEN
REOPENED TO TRAFFIC.

STAY TUNED TO NOAA WEATHER...RADIO AND TV STATIONS FOR FURTHER
STATEMENTS OR POSSIBLE WARNINGS.

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 7, 10:01 PM CDTSevere Thunderstorm WarningEWXEdwards59 min
May 7, 11:40 PM CDTSevere Thunderstorm WarningEWXVal Verde50 min
May 8, 1:39 AM CDTSevere Thunderstorm WarningEWXMaverick66 min
May 8, 2:17 AM CDTSevere Thunderstorm WarningEWXZavala58 min

Nearby

Severe Thunderstorm Warnings in Texas, 1994Every severe thunderstorm warning in 1994

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.